# NSN 5999-01-521-0021: Shielding Gasket, Electronic

NSN 5999-01-521-0021 (also written 5999015210021; NIIN 01-521-0021) is a shielding gasket, electronic in Federal Supply Class 5999, Miscellaneous Electrical and Electronic Components. 3 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5999-01-521-0021 (5999015210021)
- NIIN: 01-521-0021 (015210021)
- Item name: SHIELDING GASKET,ELECTRONIC
- Federal Supply Class: [FSC 5999 Miscellaneous Electrical and Electronic Components](https://nsnexplorer.com/fsc/5999/)
- Federal Supply Group: [FSG 59](https://nsnexplorer.com/group/59/)
- Acquisition method suffix code: AMSC H: the government lacks sufficient, accurate or legible data to buy from other sources. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |
| ADVK | CROSS SECTION INSIDE DIAMETER | INCHES NOMINAL 0.255 |
| ADVL | CROSS SECTION OUTSIDE DIAMETER | INCHES NOMINAL 0.360 |
| AGAV | END ITEM IDENTIFICATION | WEAPON SYSTEM: VIRGINIA CLASS SSN |
| FEAT | SPECIAL FEATURES | END ITEM: CONTROLLER INTERFACE |
| MATT | MATERIAL | EMI/RFI CONDUCTOR ALUMINUM AND SILVER |
| MATT | MATERIAL | ENVIRONMENTAL SEAL SILICONE |
| PMLC | PRECIOUS MATERIAL AND LOCATION | SILVER E-I CONDUCTER |
| PRMT | PRECIOUS MATERIAL | SILVER |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 10-20-2750-1285 | 18565 | PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV CHOMERICS DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 569-7067781-46 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7067781 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5999015210021&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5999015210021
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/5999-01-521-0021/
JSON: https://nsnexplorer.com/api/nsn/5999-01-521-0021.json